a = 3
# a += 2
# a -= 1
# a *= 3
# a /= 2
# a //= 2
# a %= 2
# a **= 3
# print(a)

a = 10
print(a)     # 10
a += 10
print(a)     # 20

b = 10
b -= 10
print(b)     # 0

c = 10
c //= 3
print(c)    # 3

d = 10
d %= 3
print(d)    # 1